i.e. any CoinsViews members. Adds a lock acquisition to gettxoutsetinfo RPC
to comply with added annotations.
Co-authored-by: Russell Yanofsky <russ@yanofsky.org>
https://github.com/bitcoin/bitcoin/pull/16443/commits/582d2cd74754d6b9a2394616a9c82a89d2d71976
Depends on D7581
Concludes backport of Core PR16443